console.log(
    1 + 2 + (3 + 4 + 5),
    1 + 2 + (3 + 4 + "5"),
    1 + 2 + (3 + "4") + 5,
    1 + 2 + (3 + "4") + "5",
    1 + 2 + "3" + 4 + 5,
    1 + 2 + "3" + 4 + "5",
    1 + 2 + "3" + "4" + 5,
    1 + 2 + "3" + "4" + "5"
);
